Building element for a toy building set



FIG. 1 is a front elevational view of an ornamental design for building element for a toy building set;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a front cross-sectional view thereof, taken from 7-7 in FIG. 6;

FIG. 8 is a side cross-sectional view thereof, taken from 8-8 in FIG. 6;

FIG. 9 is a front perspective view thereof;

FIG. 10 is a bottom perspective view thereof; and,

FIG. 11 is a top perspective view thereof.

The broken lines in FIGS. 8 & 9 are for the purpose of illustrating portions of the article that form no part of the claim. 

CLAIM The ornamental design for a building element for a toy building set, as shown and described. 